function GetCurrentPageName() {
			//method to get Current page name from url.
			
			var sPath = top.location.href;
			var sPage = sPath.substring(sPath.lastIndexOf('/') + 1);
			return sPage.toLowerCase();
			
			}
			
			//using the result above to change the class
			function OnLoad() {
			if (GetCurrentPageName()=="project/index.php") {
					document.getElementById("project_menu").className="active"; 
					}
			if (GetCurrentPageName()=="index.php") {
					document.getElementById("home_menu").className="active"; 
					}		
			if (GetCurrentPageName()=="blog.php") {
					document.getElementById("blog_menu").className="active"; 
					}		
			if (GetCurrentPageName()=="faq.php") {
					document.getElementById("faq_menu").className="active"; 
					}				
			if (GetCurrentPageName()=="contactus.php") {
					document.getElementById("cus_menu").className="active"; 
					}				
			
			
			}